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Why Diaphragm-Sealed Pressure Transmitters Fail: Focus on These Three Key Factors

1. Introduction In demanding industrial environments—characterized by high temperature, high pressure, strong corrosiveness, or crystallizing media—diaphragm-sealed pressure transmitters act as a critical safety and accuracy barrier. However, many users face performance failures due to subtle but crucial configuration issues, such as: Fill fluid solidifying in cold climates; Excessive capillary length causing slow response; Improper selection […]

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Radar level meters measuring the liquid level in acid storage tanks

In modern industrial production, the storage and management of liquids are crucial, especially when dealing with corrosive liquids such as acids. Accurate and reliable level measurement is not only essential for production efficiency but also directly impacts safe operations. Radar level meters, with their unique non-contact measurement method, have become an ideal choice for measuring

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Is Intrinsically Safe the Only Choice for Zone 0 Hazardous Areas?

When working in hazardous areas, selecting the correct explosion-protection method is critical for safety and compliance. Among these, Zone 0 environments—where explosive atmospheres are present continuously or for long periods—are the most demanding. Many engineers automatically think of intrinsically safe (Ex ia) instruments for Zone 0, but is that the only option? The answer is:

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Process Connection Abbreviations for Threads & Flanges

1) Thread Connections (Abbreviations & Meanings) Abbrev. Full Name Standard / System Notes NPT National Pipe Taper ANSI/ASME B1.20.1 Tapered pipe thread; seals on the threads. NPTF National Pipe Taper Fuel ANSI/ASME “Dry-seal” tapered thread; enhanced leak-tightness for fuels/gases. BSPT British Standard Pipe Taper BS Tapered pipe thread; widely used in UK/Commonwealth. BSPP British Standard

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Standard Orifice Plate vs. Balanced Flow Meter: What’s the Difference?

Flow measurement is a critical function in process industries, and differential pressure (DP) flow meters remain among the most widely used devices. Within this category, two commonly used types are the standard orifice plate and the balanced flow meter (often referring to a multi-hole balanced orifice plate). While both rely on the same working principle—creating

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Understanding SIS, SIF, and SIL—And When SIL 3 Really Matters

Introduction In high-hazard industries such as chemicals, power, and oil & gas, Safety Instrumented Systems (SIS) are a critical layer of protection. Yet terms like SIS, SIF, and SIL are often mixed together. This article provides a neutral, practical overview: what each term means, how they relate, how SIL levels differ, and when SIL 3

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Why Sulfur Trioxide (SO₃) Should Not Be Monitored Using Toxic Gas Detectors

Sulfur trioxide (SO₃) is a highly reactive and corrosive chemical compound widely used in industrial applications, particularly in the production of sulfuric acid. Due to its hazardous nature, effective safety measures must be implemented to prevent accidents and ensure workplace safety. However, installing toxic gas detectors specifically for SO₃ is not an appropriate or effective

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Emergency Response Guide: How to Handle a Liquid Ammonia Leak

Liquid ammonia (NH₃) is a widely used industrial chemical, particularly in refrigeration systems, fertilizer production, and chemical processing. While invaluable in industry, it is toxic, corrosive, and hazardous under certain conditions. A leak can pose serious risks to people, property, and the environment, making it essential to have a clear, step-by-step response plan. This guide

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Protective Measures for Thermocouples Using Shaped Refractory Bricks

1. Introduction Industrial thermocouples often operate in harsh environments characterized by high temperatures, dust-laden gases, corrosive atmospheres, and mechanical impact. Under such conditions, premature failure can occur due to wear, corrosion, or thermal shock. Shaped refractory bricks provide a physical barrier and environmental isolation for the thermocouple sheath and sensing junction. By tailoring the brick

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